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经营范围
发明名称
PROJECTING LENS
摘要
申请公布号
JPH04311910(A)
申请公布日期
1992.11.04
申请号
JP19910078962
申请日期
1991.04.11
申请人
PIONEER ELECTRON CORP
发明人
YOSHIOKA TAKAYUKI
分类号
G02B13/16;G02B9/62;G02B13/18
主分类号
G02B13/16
代理机构
代理人
主权项
地址
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